Ratios as Comparisons 2nd Edition

Determine if these ratios are equivalent and justify your answer. 4:18 and 2:12

• yes, 2 is even and divides evenly into both terms.

• no, the ratios are not equivalent. 2 is half of 4, but 12 is not half of 18.

• no, the ratios are equivalent. 2 is half of 4 and 12 is half of 18.

• yes, 2 is half of 4 and 12 is half of 18 and they are both equivalent.

Tags

CCSS.6.RP.A.3A

5:20 and 15:60 are equivalent ratios or not?

• yes, because both are divisible by 15

• yes, because the scale factor (multiplier is 3. (equivalent)

• yes, because 15 is 1/4 of 60

• yes, but I don't know why

Tags

CCSS.6.RP.A.3A

Are 17:3 and 78:12 equivalent ratios?

• yes, because the scale factor is 7.

• no, because the scale factor matches both the numerator and denominator,

• yes, because the scale factor is 4.

• no, because the scale factor does not match both the numerator and denominator.

Tags

CCSS.6.RP.A.3A

Which lab could the description belong to? 2 computers for every 3 ipads in this technology lab.

• Lab 101 has 45 devices

• Lab 201 has 25 ipads

• Lab 301 has 18 ipads

Tags

CCSS.6.RP.A.3B

Choose a lab that could match the following description. There are a total of 35 devices in this technology lab.

• Lab 101 has 45 devices.

• Lab 201 has 25 ipads.

• Lab 301 has 18 ipads.

Tags

CCSS.1.NBT.B.3

Choose the lab that could match the following description. There are 3 ipads for every 5 computers in this technology lab.

• Lab 101 has 45 devices

• Lab 201 has 25 ipads

• Lab 301 has 18 ipads

Choose the lab that could match with the following description. This technology lab has a total of 48 devices.

• Lab 101 has 45 devices

• Lab 201 has 25 ipads

• Lab 301 has 18 ipads

Tags

CCSS.1.NBT.B.3

Choose the lab that could match the following description. There are 27 ipads and 18 computers in this technology lab.

• Lab 101 has 45 devices

• Lab 201 has 25 ipads

• Lab 301 has 18 ipads

Choose the lab that could match to the following description. The ratio of computers to ipads is 2:5 in this technology lab.

• Lab 101 has 45 devices

• Lab 201 has 25 ipads

• Lab 301 has 18 ipads

A Monster punch recipe makes a total of 35 cups of liquid. If the recipe calls for 15 cups of lemonaide, how many cups of another liquid would this recipe need for the ratio to be equivalent.

• 50, because 15 + 35 is 50

• 20, because 35 - 15 is 20

• 15, because 35 - 15 is 15

• 45, because 35 + 15 is 45